Science Applications International Corp. (SAIC), Reston, Virginia, is awarded a $14,315,000 modification to a previously awarded, indefinite-delivery/indefinite quantity, cost-plus-fixed-fee contract (N66001-18-D-0023) to provide continuing sustainment support of integrated afloat and ashore tactical networks. Work will be performed in San Diego, California, and globally aboard Navy ships and Department of Defense installations. This modification increases the estimated value of the contract from $237,526,884 to $251,841,884. The period of performance of the current contract is from July 3, 2018, to July 2, 2023. No funds will be obligated at the time of award. Funds to be obligated include other procurement (Navy); ship construction (Navy); and operation and maintenance (Navy). The Naval Information Warfare Center Pacific, San Diego, California, is the contracting activity.